https://www.techradar.com/news/nikon-releases-fourth-teaser-video-for-its-upcoming-z6-and-z7-mirrorless-cameras > Nikon has released a fourth teaser video for its upcoming Z6 and Z7 full-frame mirrorless cameras, ahead of the August 23 launch event. > At just over 30 seconds long, this video focuses on lenses – unlike the previous videos Nikon has released in the build-up to the launch, we don't actually see the rumored Z6 and Z6 mirrorless cameras.